4MM CS X 29MM ID BLACK BUNA 70D

Part number H4X29 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 29 mm (1.142 in), a cross section of 4 mm (0.157 in), and an outside diameter of 37 mm (1.46 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Expect good resistance to water, petroleum-based oils, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ketones or strong acids are present.

Maintenance and OEM teams specify it across agricultural equipment, fluid power, and automotive.

H4X29 ships individually. Unit weight is approximately 1.6291 g. Check the compound against your process media, pressure and temperature before committing to a design.